Polyana Moura Ferreira, Isbel Sandoval, Terry Whittle
{"title":"Thresholds, Firing Rates, and Order of Recruitment of Anterior Temporalis Muscle Single-Motor Units During Experimental Masseter Muscle Pain.","authors":"Polyana Moura Ferreira, Isbel Sandoval, Terry Whittle","doi":"10.11607/ofph.2719","DOIUrl":"https://doi.org/10.11607/ofph.2719","url":null,"abstract":"<p><strong>Aims: </strong>To test the hypothesis that, in comparison with control, experimental noxious stimulation of the right masseter muscle would result in significant changes in the firing rates, thresholds, and recruitment orders of single-motor units (SMUs) of the nonpainful, synergistic right anterior temporalis muscle during goal-directed isometric biting task performance.</p><p><strong>Methods: </strong>Twenty healthy volunteers received an infusion of hypertonic saline (HS; 5% sodium chloride) into the right masseter to produce pain intensity of 40 to 60 on a 100-mm visual analog scale (VAS). Isotonic saline (IS) infusion was a control. Standardized biting tasks were performed with an intraoral force transducer, and intramuscular electromyographic activity was recorded from the right anterior temporalis muscle. Tasks (slow and fast ramp biting tasks, two-step biting task) were performed in 3 blocks: baseline, HS infusion, and IS infusion. Across blocks, SMU thresholds and firing rates were statistically compared, and SMU recruitment sequences were qualitatively compared. Statistical significance was set at P < .05.</p><p><strong>Results: </strong>No significant differences (P > .05) were noted between HS and IS infusion blocks in thresholds or firing rates of anterior temporalis SMUs. Individual SMUs showed increases or decreases in thresholds or firing rates or changes in recruitment sequences mostly during HS compared to IS infusion.</p><p><strong>Conclusion: </strong>The reorganization of SMU activity that has been suggested to occur in both painful and nonpainful agonist jaw muscles may involve not only recruitments and de-recruitments of SMUs, but may also extend to more subtle increases and/or decreases in firing rates, thresholds, and recruitment sequences of individual SMUs in the nonpainful synergistic muscles.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"35 2","pages":"93-104"},"PeriodicalIF":2.5,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39233269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Temporomandibular Joint Arthrocentesis in Patients with Degenerative Joint Disease: A 10- to 22-year Follow-up.","authors":"Luca Guarda-Nardini, Maddalena Meneghini, Sayma Zegdene, Daniele Manfredini","doi":"10.11607/ofph.2871","DOIUrl":"https://doi.org/10.11607/ofph.2871","url":null,"abstract":"<p><strong>Aims: </strong>To report the effectiveness of temporomandibular joint (TMJ) arthrocentesis with viscosupplementation for degenerative joint disease (DJD) over a long-term (ie, 10-22 years) follow-up.</p><p><strong>Methods: </strong>A total of 103 patients aged between 30 and 91 years (13 men and 90 women; mean age 63.7 years) who received a cycle of five arthrocentesis sessions with HA viscosupplementation to manage their symptoms related to TMJ DJD during the time period from 1998 to 2010 were recalled for clinical evaluation. After the treatment cycle, clinical outcomes were assessed based on the following parameters: maximum mouth opening (MO), pain with function (PF), pain at rest (PR), and self-reported chewing efficiency (CE). Data were collected at baseline (T<sub>0</sub>) and at successive follow-up assessments, after at least 3 months (T<sub>1</sub>) and 1 year (T<sub>2</sub>), as per previous publications. Patients who had received treatment at least 10 years prior were then recalled for this study (T<sub>3</sub>: 10 to 22 years follow-up). Analysis of variance for repeated measures was performed to assess changes over time.</p><p><strong>Results: </strong>Significant improvement in all clinical parameters was achieved at T<sub>1</sub> and was maintained for up to 10 years (T<sub>3</sub>), with P < .01 for each parameter. At T<sub>3</sub>, treatment effectiveness was perceived as excellent by 56% and as good by 26.5% of subjects, while 10.7% perceived a moderate improvement, and 6.8% referred a slight improvement or did not have any improvement. Only seven individuals required additional treatments after T<sub>2</sub>.</p><p><strong>Conclusion: </strong>These findings suggest that the symptomatic management of TMJ DJD achieved in the short or medium term with a cycle of arthrocentesis and viscosupplementation was effectively maintained in the long term.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"35 2","pages":"113-118"},"PeriodicalIF":2.5,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39233265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sonia Sharma, Anna Lövgren, Sigvard Åkerman, Peter M Nilsson, Björn Axtelius, Thomas List, Birgitta Häggman Henrikson
{"title":"Prevalence of Facial Pain and Headache in Sweden.","authors":"Sonia Sharma, Anna Lövgren, Sigvard Åkerman, Peter M Nilsson, Björn Axtelius, Thomas List, Birgitta Häggman Henrikson","doi":"10.11607/ofph.2645","DOIUrl":"https://doi.org/10.11607/ofph.2645","url":null,"abstract":"<p><strong>Aims: </strong>To compare the prevalence of facial pain and headache across various regions in Sweden.</p><p><strong>Methods: </strong>This study involved a comparison of cross-sectional questionnaire studies over a period of 10 years including 128,193 individuals and assessed facial pain, pain on function, and headache. Participants included (1) all Public Dental Service patients aged 16 to 90 years in Västerbotten (n = 57,283) and Gävleborg (n = 60,900); and (2) random samples of residents in Kalmar (n = 3,560) and Skåne (n = 6,450). Facial pain and pain on function were assessed for all participants, and headache was also assessed for participants in Kalmar and Skåne. Descriptive statistics were used to estimate unadjusted prevalence estimates and demographic characteristics. Prevalence estimates were adjusted for age and sex using weighted distributions from the 2015 data in the Swedish population registry before comparisons across the regions.</p><p><strong>Results: </strong>Overall, the prevalence of facial pain and headache were significantly higher in female than in male participants (P < .01). The standardized prevalence of facial pain was 4.9% in Västerbotten, 1.4% in Gävleborg, 4.6% in Kalmar, and 7.6% in Skåne. For headache, the standardized prevalence was 18.9% in Kalmar and 21.3% in Skåne. In Skåne, individuals with facial pain had a 15-fold higher odds of headache than those without.</p><p><strong>Conclusion: </strong>In the present Swedish epidemiologic study, the prevalence of facial pain ranged from 1.4% in Gävleborg to 7.6% in Skåne. Besides different sampling frames and other population characteristics, the presence of a high number of immigrants in Skåne may account for some differences in pain prevalence across the Swedish regions.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"35 2","pages":"139-149"},"PeriodicalIF":2.5,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39233209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hedwig A van der Meer, Merete Bakke, Henrik W Schytz, Bjarne Kjeldgaard Madsen
{"title":"Validation of the Temporomandibular Disorder Pain Screener in a Specialized Headache Center.","authors":"Hedwig A van der Meer, Merete Bakke, Henrik W Schytz, Bjarne Kjeldgaard Madsen","doi":"10.11607/ofph.2787","DOIUrl":"https://doi.org/10.11607/ofph.2787","url":null,"abstract":"<p><strong>Aims: </strong>To investigate the sensitivity and specificity of the TMD pain screener in a headache population.</p><p><strong>Methods: </strong>A cross-sectional study was conducted at the Danish Headache Center (DHC). Patients were included if they had primary or secondary headache, trigeminal neuralgia, or facial pain. The pain screener was compared to the outcome of a full Diagnostic Criteria for TMD (DC/TMD) examination.</p><p><strong>Results: </strong>A total of 62 headache patients were included (77% women). The sensitivity of the pain screener short version (three questions) was 85% (95% CI: 70% to 94%), and the specificity was 64% (95% CI: 41% to 83%). In the full version (six questions), the sensitivity was 83% (95% CI: 67% to 93%), and the specificity was 82% (95% CI: 60% to 95%).</p><p><strong>Conclusion: </strong>The TMD pain screener seems to be a valid tool to accurately screen for the presence of TMD to provide the most optimal treatment for headache patients. These findings should however be confirmed in a larger sample with migraine, tension-type headache, and trigeminal neuralgia.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"35 2","pages":"150-156"},"PeriodicalIF":2.5,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39233212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
AAOP Committee on TMD Predoctoral Education, Hong Chen, James Fricton, Joseph Cohen, Terrie Cowley, Shuchi Dhadwal, Roger B Fillingim, Sandra Guzman-Armstrong, Robert Hasel, James Hawkins, Gary Heir, David Holmes, Deepika Jaiswal, Thomas B Jordan, Gary Klasser, Seema Kurup, Steven M Levy, J Mackman, George Maloney, Shawn McMahon, Richard Ohrbach, Jeffrey P Okeson, Janey Prodoehl, Sonia Sharma, Yi Yuan, Jeffrey R Shaefer
{"title":"Temporomandibular Disorders Core Curriculum for Predoctoral Dental Education: Recommendations from the American Academy of Orofacial Pain.","authors":"AAOP Committee on TMD Predoctoral Education, Hong Chen, James Fricton, Joseph Cohen, Terrie Cowley, Shuchi Dhadwal, Roger B Fillingim, Sandra Guzman-Armstrong, Robert Hasel, James Hawkins, Gary Heir, David Holmes, Deepika Jaiswal, Thomas B Jordan, Gary Klasser, Seema Kurup, Steven M Levy, J Mackman, George Maloney, Shawn McMahon, Richard Ohrbach, Jeffrey P Okeson, Janey Prodoehl, Sonia Sharma, Yi Yuan, Jeffrey R Shaefer","doi":"10.11607/ofph.3073","DOIUrl":"https://doi.org/10.11607/ofph.3073","url":null,"abstract":"","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"35 4","pages":"271-277"},"PeriodicalIF":2.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39651184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Junad Khan, Qian Wang, Olga A Korczeniewska, Rotem Eliav, Yanfang Ren, Eli Eliav
{"title":"Exercise-Induced Hypoalgesia Profile in a Rat Neuropathic Pain Model Predicts Pain Severity Following Infraorbital Nerve Injury and Is Associated with Local Cytokine Levels, Systemic Endocannabinoids, and Endogenous Opioids.","authors":"Junad Khan, Qian Wang, Olga A Korczeniewska, Rotem Eliav, Yanfang Ren, Eli Eliav","doi":"10.11607/ofph.3003","DOIUrl":"https://doi.org/10.11607/ofph.3003","url":null,"abstract":"<p><strong>Aims: </strong>To investigate the role of exercise-induced hypoalgesia (EIH) in the development of neuropathic pain (NP) following infraorbital nerve (ION) injury and to explore possible underlying mechanisms defining the differences between rats with high and low EIH.</p><p><strong>Methods: </strong>EIH was evaluated by measuring the percentage of withdrawal responses to a series of 30 mechanical stimuli applied to the hind paw before and after 180 seconds of exercise on a rotating rod. The rats were assigned to low- and high-EIH groups based on reduction in the percent of withdrawal responses following exercise. NP was induced in high- and low-EIH rats via ION constriction injury. Rats were tested with graded nylon monofilaments to establish the withdrawal threshold. Increasingly stiff monofilaments were applied to the ION territory until there was a clear withdrawal by the rat. This was repeated a total of three times. A decreased withdrawal threshold indicates allodynia. Testing was performed at baseline and at 3, 10, and 17 days following the injury. On day 17 postinjury, IONs were harvested for the assessment of interleukin (IL)-6, IL-1β, and IL-10 levels. Samples from high-EIH and low-EIH surgically naïve rats served as control for the cytokines study. In this second part of the study, the effects of cannabinoid 1 (CB1) and cannabinoid 2 (CB2) antagonists and naltrexone on EIH profiles and on the withdrawal thresholds to mechanical stimulation were measured. EIH and withdrawal thresholds in high- and low-EIH rats were measured before and after administration of antagonists.</p><p><strong>Results: </strong>Low-EIH rats developed significantly more pronounced allodynia in the ION territory following injury compared to high-EIH rats. At 17 days postinjury, ION IL-1β levels were higher in low-EIH rats, and IL-10 levels were higher in high-EIH rats. CB1 antagonist blocked the analgesic effect induced by exercise in high- but not in low-EIH rats. The CB2 antagonist had no significant effect on high- or low-EIH rats. Naltrexone blocked the effects of EIH in both high- and low-EIH rats. Exercise induced a significant analgesic effect in high-EIH but not in low-EIH rats. CB1 or CB2 antagonist administration had no effect on pre-exercise responses to mechanical stimulation, while naltrexone administration resulted in significant allodynia in both low- and high-EIH rats.</p><p><strong>Conclusion: </strong>This study demonstrated substantial differences between rats with high and low EIH. The results suggest that following ION injury, high-EIH rats may have a more prominent or activated endocannabinoids system and that their inflammatory response is moderated, with higher levels of IL-10 and lower levels of IL-1β.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"35 3","pages":"230–240"},"PeriodicalIF":2.5,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39318176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Flávia Fonseca Carvalho Soares, Rodrigo Lorenzi Poluha, Giancarlo De la Torre Canales, Yuri Martins Costa, Gustavo G Nascimento, Paulo César Rodrigues Conti, Leonardo Rigoldi Bonjardim
{"title":"Effect of Genetic Polymorphisms on Pain Sensitivity in the Orofacial Region: A Systematic Review.","authors":"Flávia Fonseca Carvalho Soares, Rodrigo Lorenzi Poluha, Giancarlo De la Torre Canales, Yuri Martins Costa, Gustavo G Nascimento, Paulo César Rodrigues Conti, Leonardo Rigoldi Bonjardim","doi":"10.11607/ofph.2641","DOIUrl":"https://doi.org/10.11607/ofph.2641","url":null,"abstract":"<p><strong>Aims: </strong>To systematically review the literature to assess whether genetic polymorphisms affect orofacial pain sensitivity in healthy individuals and in patients with chronic orofacial pain disorders.</p><p><strong>Methods: </strong>Electronic searches were conducted to identify observational studies and clinical trials investigating the association between genetic polymorphisms and orofacial pain sensitivity in healthy individuals and/or patients with chronic orofacial pain disorders. Searches were carried out in PubMed, Embase, and Scopus databases using Medical Subject Headings and free terms.</p><p><strong>Results: </strong>Seven studies fulfilled the eligibility criteria: four analyzed healthy subjects, two included chronic orofacial pain patients, and one included samples of healthy subjects and patients with neuropathic pain. The results showed that genes associated with mechanical and thermal pain sensitivity were mostly related to opioid, catecholaminergic, inflammatory, and dopaminergic pathways.</p><p><strong>Conclusion: </strong>Genetic polymorphisms related to opioid, catecholaminergic, inflammatory, and dopaminergic pathways were associated with sensitivity to thermal and pressure stimuli in the orofacial region. Therefore, genetic factors should be taken into account for an accurate interpretation of orofacial pain sensitivity. These results will allow for a better understanding of the etiopathogenesis of chronic pain affecting the orofacial region, and consequently for finding new therapeutic targets.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"34 4","pages":"353-363"},"PeriodicalIF":2.5,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.11607/ofph.2641","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38689663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of Therapeutic Jaw Exercises in the Treatment of Masticatory Myofascial Pain: A Randomized Controlled Study.","authors":"Erik Lindfors, Tomas Magnusson, Malin Ernberg","doi":"10.11607/ofph.2670","DOIUrl":"https://doi.org/10.11607/ofph.2670","url":null,"abstract":"AIMS\u0000To study the effect and cost-effectiveness of jaw exercise treatment in patients with masticatory myofascial pain.\u0000\u0000\u0000METHODS\u0000A total of 97 patients with myofascial pain according to the RDC/TMD were randomized into three groups: (1) jaw exercises; (2) stabilization appliance; or (3) no treatment. After 3 months, the patients were evaluated according to the following instruments: pain intensity according to a visual analog scale (VAS); global improvement according to the Patient Global Impression of Change scale (PGIC); depression and anxiety according to the Hospital Anxiety and Depression Scale (HADS); jaw function according to the Jaw Functional Limitation Scale (JFLS-20); consumption of analgesics; and frequency of tension-type headache.\u0000\u0000\u0000RESULTS\u0000Pain intensity during jaw movement decreased significantly more in the jaw exercise group compared to the no treatment group (P < .001). There was no statistically significant difference between the jaw exercise and stabilization appliance groups in this aspect. The patients in the treatment groups reported greater improvement on the PGIC compared to the no treatment group (P < .001). There was a significant decrease in headache frequency (P = .028), consumption of analgesics (P = .007), and JFLS scores (P = .008) in the jaw exercise group compared to the no treatment group. In the jaw exercise group, patients had fewer appointments and a lower mean treatment time compared to the group that received stabilization appliance treatment.\u0000\u0000\u0000CONCLUSION\u0000Jaw exercises are effective in reducing pain intensity, headache, and consumption of analgesics in patients with masticatory myofascial pain. Jaw exercises are also cost-effective when compared to treatment with a stabilization appliance.","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"34 4","pages":"364-373"},"PeriodicalIF":2.5,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38689665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Johanna M Kroese, Sigvard Kopp, Frank Lobbezoo, Per Alstergren
{"title":"TMJ Pain and Crepitus Occur Early Whereas Dysfunction Develops Over Time in Rheumatoid Arthritis.","authors":"Johanna M Kroese, Sigvard Kopp, Frank Lobbezoo, Per Alstergren","doi":"10.11607/ofph.2718","DOIUrl":"https://doi.org/10.11607/ofph.2718","url":null,"abstract":"<p><strong>Aims: </strong>To investigate inflammatory mediator levels in TMJ synovial fluid (SF) and blood and to investigate clinical TMJ symptoms in relation to general and TMJ symptom duration in patients with rheumatoid arthritis (RA).</p><p><strong>Methods: </strong>Examination of 80 TMJs (68 patients; median age 55 years; 85% women) included the following variables: TMJ pain at rest, maximum mouth opening, and palpation; jaw movement capacity; number of painful movements; crepitus; and degree of anterior open bite. Levels of tumor necrosis factor (TNF), TNF soluble receptor II, interleukin 1β, IL-1 receptor antagonist, IL-1 soluble receptor II, and serotonin in TMJ SF and blood; systemic disease activity; and duration of general and TMJ symptoms were assessed. General symptom duration ≤ 2 years was considered early RA.</p><p><strong>Results: </strong>TMJ symptoms predominantly developed within 5 years following general symptom onset. Logistic regression analysis showed that number of involved joints, general pain, maximum mouth opening, anterior open bite, and TNF plasma levels combined explained 46% of the distinction between early and established RA. Furthermore, TMJ pain at rest and maximum mouth opening, contralateral laterotrusion, painful movements, crepitus, and SF TNF levels combined explained 35% of the distinction. In these analyses, higher general pain and maximum mouth opening, TMJ pain on maximum mouth opening, and crepitus were associated with early RA.</p><p><strong>Conclusion: </strong>This study indicates that TMJ pain and crepitus in RA usually occur within 2 years following general symptom onset. Pain-related dysfunction and structural changes develop with time. TNF in plasma and TMJ SF are associated with this development. This makes early (clinical) recognition of pain and inflammation important, enabling early treatment to minimize later irreversible damage.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"34 4","pages":"398-405"},"PeriodicalIF":2.5,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.11607/ofph.2718","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38689666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Birgitta Häggman-Henrikson, Christian Bechara, Brousk Pishdari, Corine M Visscher, EwaCarin Ekberg
{"title":"Impact of Catastrophizing in Patients with Temporomandibular Disorders-A Systematic Review.","authors":"Birgitta Häggman-Henrikson, Christian Bechara, Brousk Pishdari, Corine M Visscher, EwaCarin Ekberg","doi":"10.11607/ofph.2637","DOIUrl":"https://doi.org/10.11607/ofph.2637","url":null,"abstract":"<p><strong>Aims: </strong>To assess the prevalence of catastrophizing in patients with temporomandibular disorders (TMD) and the possible associations between catastrophizing and treatment outcome.</p><p><strong>Methods: </strong>This review was registered in the Prospero database (CRD42018114233). Electronic searches were performed in PubMed, Scopus, and PsycINFO from the inception of each database up to October 26, 2018, and were combined with a hand search. Articles focusing on levels of catastrophizing and how catastrophizing affects pain levels and treatment outcomes for patients diagnosed with TMD were included, as well as studies reporting how treatment outcomes were affected by cognitive behavioral treatment as an addition to standard treatment for TMD. Reviews and case reports were excluded. Risk of bias was assessed with the Newcastle-Ottawa scale.</p><p><strong>Results: </strong>The literature search identified 266 articles. After screening of abstracts, the full texts of 59 articles were assessed. Of these, 37 articles, including 4,789 patients with TMD and 6,617 controls, met the inclusion criteria. Higher levels of pain catastrophizing were reported in patients with TMD, with a large effect size (Hedges' g = 0.86) compared to pain-free controls. Furthermore, associations of higher levels of catastrophizing with higher symptom severity and with poorer treatment outcome were reported together with indications of positive effects from cognitive behavioral therapy.</p><p><strong>Conclusion: </strong>The results suggest an association between catastrophizing and TMD that may affect not only symptom severity but also treatment outcome. Assessing levels of pain catastrophizing might therefore be valuable in the assessment and management of patients with TMD.</p>","PeriodicalId":48800,"journal":{"name":"Journal of Oral & Facial Pain and Headache","volume":"34 4","pages":"379-397"},"PeriodicalIF":2.5,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.11607/ofph.2637","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38689667","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}